Annual Chiller Preventative Maintenance

2026-11-03

Air - Cooled Chillers : • Clean all condenser coils with acidic base cleaner . ( exception for manufacturers requirements ) • Take oil samples and send off to ensure all is clean and operable . ( required to give sample results upon receipt ) • Scroll / Screw compressors oil change and filters determined after results from samples . • Tighten all electrical Connections and ensure no corrosion is found around terminals , from the starter to the chiller . • Read and log all voltages on compressors and fan motors . • Read and log all amperages on compressors and fan motors . • Read and log all refrigerant pressures on each compressor for all circuits . • Read and log all temperature drops across the chilled water barrels . • Clean inlet water strainers on chiller . ( if chiller has them ) Water - Cooled Chillers : • Remove all chiller barrel end caps . • Rod out every individual tube in each chiller barrel . • Provide and install new gaskets to put the barrel end caps back on . • Take oil samples and send off to ensure all is clean and operable when applicable . ( required to give sample results upon receipt ) • Check oil pump for proper operation .

Kentucky

2026-05-08